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PLUMBING
The Fresh Water System consists of the fresh water holding tank, water pump, valves, connection hoses,
and fresh water plumbing lines. This system is responsible for providing potable water for drinking, cooking,
bathing, and all other activities that require clean water. The capacity of your fresh water tank may vary,
depending on the coach model and year.
Fresh Water System
Fresh Water Lines and Low Point Drains Overview
This article provides a basic overview of Fresh Water Lines and Low Point Drains.
Fresh Water Lines
Fresh water lines are used to distribute potable water
throughout the coach. The hot water lines are typically
red in color or translucent with red lettering. The cold
water lines are typically blue in color or translucent with
blue or black lettering.
HEATED FRESH WATER LINES
Fresh water lines located beneath the slideout floor are
typically heated to prevent freezing (i.e. refrigerator water
supply). The water lines are routed in the heated water
bay and inside the heated living area as much as possible.
Heated fresh water lines are typically used on floorplans
with bath fixtures or a refrigerator containing an ice
maker or water dispenser located in a slideout. Heated
water lines are used to connect the plumbing from
the basement area to the refrigerator where the water
lines are exposed under the slideout. The 12 volt power
to the heated water line is usually fused in the cord
compartment fuse panel in diesel coaches and on the
firewall fuse panel on gas coaches.
This article provides a brief overview of the Holding Tank Heat Pad Switches and Indicator Lights. Coaches produced and
equipped (after June 2015) with optional holding tank heating pads are GFCI-protected and incorporate an indicator light to
the switch panel to signify that 120 volt electricity is being supplied to the heating pads.
If the indicator switch does not illuminate when you turn
it on, check the GFCI outlet located in the basement
compartment (the location will vary based on coach
floorplan and tank placement).
The heat pad switches may be incorporated in the
monitor panel in 2018 (and newer) coaches equipped with
the KIB tank monitoring system.
If your coach is equipped with tank heat mats and the
switch is activated, the tank heat icon will appear under
the grey and black tanks. The tank level must be at least
five percent for the control panel to send power to the
tank heater and has a one minute delay before activation.
If the tank is equipped with a heating pad, there will be
a tank indicator below the tank bar graph. When the
tank heater is active, the indicator will turn orange. When
inactive, the indicator will turn grey.
Holding Tank Heat Pad Switches and Indicator Lights
The TMSC-100 is not monitoring any temperatures;
this simply activates or deactivates the heat pads.
IMPORTANT
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Summary of Contents for Bay Star 2022
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